src/preferences/time/AnalogClock.h

   1 /*
   2  * Copyright 2004-2011, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Mike Berg <mike@berg-net.us>
   7  *              Julun <host.haiku@gmx.de>
   8  *              Hamish Morrison <hamish@lavabit.com>
   9  */
  10 #ifndef _ANALOG_CLOCK_H
  11 #define _ANALOG_CLOCK_H
  12
  13
  14 #include <View.h>
  15
  16
  17 class TAnalogClock : public BView {
  18 public:
  19                                                         TAnalogClock(const char* name,
  20                                                                 bool drawSecondHand = true,
  21                                                                 bool interactive = true);
  22         virtual                                 ~TAnalogClock();
  23
  24         virtual void                    Draw(BRect updateRect);
  25         virtual void                    MessageReceived(BMessage* message);
  26         virtual void                    MouseDown(BPoint point);
  27         virtual void                    MouseUp(BPoint point);
  28         virtual void                    MouseMoved(BPoint point, uint32 transit,
  29                                                                 const BMessage* message);
  30         virtual void                    DoLayout();
  31
  32         virtual BSize                   MaxSize();
  33         virtual BSize                   MinSize();
  34         virtual BSize                   PreferredSize();
  35
  36                         void                    SetTime(int32 hour, int32 minute, int32 second);
  37                         bool                    IsChangingTime();
  38                         void                    ChangeTimeFinished();
  39
  40                         void                    GetTime(int32* hour, int32* minute, int32* second);
  41                         void                    DrawClock();
  42
  43                         bool                    InHourHand(BPoint point);
  44                         bool                    InMinuteHand(BPoint point);
  45
  46                         void                    SetHourHand(BPoint point);
  47                         void                    SetMinuteHand(BPoint point);
  48
  49                         void                    SetHourDragging(bool dragging);
  50                         void                    SetMinuteDragging(bool dragging);
  51 private:
  52                         float                   _GetPhi(BPoint point);
  53                         bool                    _InHand(BPoint point, int32 ticks, float radius);
  54                         void                    _DrawHands(float x, float y, float radius,
  55                                                                 rgb_color hourHourColor,
  56                                                                 rgb_color hourMinuteColor,
  57                                                                 rgb_color secondsColor, rgb_color knobColor);
  58
  59                         int32                   fHours;
  60                         int32                   fMinutes;
  61                         int32                   fSeconds;
  62                         bool                    fDirty;
  63
  64                         float                   fCenterX;
  65                         float                   fCenterY;
  66                         float                   fRadius;
  67
  68                         bool                    fHourDragging;
  69                         bool                    fMinuteDragging;
  70                         bool                    fDrawSecondHand;
  71                         bool                    fInteractive;
  72
  73                         bool                    fTimeChangeIsOngoing;
  74 };
  75
  76
  77 #endif  // _ANALOG_CLOCK_H